CBP data indicates that there are more establishments categorized as professional, scientific and technical services businesses with between one and four employees in 1945 than in any other category.
The following table shows how many construction businesses with between one and four employees were in 1945 during the period from 2012 to 2016.
Construction businesses with between one and four employees in 1945 (2012-2016)
Year
Total businesses
2012
42
2013
42
2014
46
2015
50
2016
52